Bug 126410 - CAN-2004-0495 Sparse security fixes backported for 2.4 kernel (ipf)
CAN-2004-0495 Sparse security fixes backported for 2.4 kernel (ipf)
Product: Red Hat Enterprise Linux 2.1
Classification: Red Hat
Component: kernel (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Jason Baron
Brian Brock
: Security
Depends On:
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Reported: 2004-06-21 06:08 EDT by Mark J. Cox (Product Security)
Modified: 2013-03-06 00:57 EST (History)
2 users (show)

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Doc Type: Bug Fix
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Last Closed: 2004-08-18 10:41:55 EDT
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Description Mark J. Cox (Product Security) 2004-06-21 06:08:02 EDT
Recently committed to the 2.6 kernel were enhancements from Al Viro
that enabled the Sparse source code checking tool to check for a
certain class kernel bugs. This class of bugs can lead to privilege
escalation vulnerabilities.  Some of these fixes also apply to the 2.4
kernel and have been backported:

1. Direct write to a user-supplied address which can lead to privilege
escalation in the mpu401 and pss sound drivers.

2. Direct read of a user-supplied address can cause information leak
from kernel memory in the airo wireless driver, and the mpu401 and pss
sound drivers.

3. Deadlock in the msnd sound driver.
Comment 1 John Flanagan 2004-08-18 10:41:55 EDT
An errata has been issued which should help the problem 
described in this bug report. This report is therefore being 
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files, 
please follow the link below. You may reopen this bug report 
if the solution does not work for you.


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